content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * ---------------
   * BlockFrame.java
   * ---------------
   * (C) Copyright 2007-2012, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes:
   * --------
   * 16-Mar-2007 : Version 1 (DG);
   * 16-Jun-2012 : Removed JCommon dependencies (DG);
   *
   */
  
  package org.jfree.chart.block;
  
  import java.awt.Graphics2D;
  import java.awt.geom.Rectangle2D;
  
  import org.jfree.chart.ui.RectangleInsets;
  import org.jfree.chart.util.PublicCloneable;
  
  /**
   * A block frame is a type of border that can be drawn around the outside of
   * any {@link AbstractBlock}.  Classes that implement this interface should
   * implement {@link PublicCloneable} OR be immutable.
   *
   * @since 1.0.5
   */
  public interface BlockFrame {
  
      /**
       * Returns the space reserved for the border.
       *
       * @return The space (never <code>null</code>).
       */
      public RectangleInsets getInsets();
  
      /**
       * Draws the border by filling in the reserved space (in black).
       *
       * @param g2  the graphics device.
       * @param area  the area.
       */
      public void draw(Graphics2D g2, Rectangle2D area);
  
  }
  